Update README.md

Author: salmanmkc

README.md

@@ -3,8 +3,9 @@ Java app made to store/add/view films, share film files between friends and fami
 
 The only relevent classes are the GUI class, Film class and Films class, the rest are other classes that were in my the same package, not used.
 
+#### Video Demonstration
+[![Video Demonstration](https://img.youtube.com/vi/cldPcwFMqb8/0.jpg)](https://www.youtube.com/watch?v=cldPcwFMqb8)
 
-video demo: https://youtu.be/cldPcwFMqb8
 
 https://imgur.com/qToOOnx